Etymology and distribution of 冷川.

Hiyakawa 【冷川】^{レベル3
About 300}  The Japanese surnames etymology dictionary.

Okayama-ken , Kanagawa-ken , Toukyou-to .

① Ibaraki-ken birthplace of Moriya (Moriya) city. In the Kamakura period there was a place name with a record of "Moriya".

② Personal name . Kagoshima - ken Kimotsuki - gun Kimotsuki - chou In Shin - mitsu told the descendants of the body clerk who is a clan of the Asuka period. Miyagi-ken Sendai-shi Aoba-ku Kawauchi was in the Edo era in the Sendai Samurai of the Clan office. There is a tradition to the same clan. 物部 Monobe reference.

※ Nagano-ken originated from Moriyama in Suwa-gun. Period, location unknown.